(broadcasting) The time of day when a radio or television station begins broadcasting, usually after being off the air for several hours. / Alternative form of sign-on

To join something, after signing. / To commit oneself, as to a project, a goal, an organization, a cause.

The username and password for logging in to a computer account. / An attempt to log in. / (more generally) An instance of signing on to something. / A person who signs on to something.

plural of signing

Alternative form of at sign

plural of at sign

an asteroid discovered by Max Wolf on October 22, 1900

present participle of sign in

Third-person singular simple present indicative form of sign in

simple past tense and past participle of sign on